From 9bcaa60cb1aea37d70148d8ca46b086ff5adaec0 Mon Sep 17 00:00:00 2001
From: "Kali Kaneko (leap communications)" <kali@leap.se>
Date: Fri, 30 Sep 2016 16:16:14 -0400
Subject: add script to download latest amalgamation

---
 .gitignore                         |  1 +
 Makefile                           |  3 +++
 scripts/get_latest_amalgamation.sh | 40 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100755 scripts/get_latest_amalgamation.sh

diff --git a/.gitignore b/.gitignore
index c72b8f1..e259da9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ dist/
 MANIFEST
 debian/
 *.egg-info
+amalgamation_latest
diff --git a/Makefile b/Makefile
index 127461d..3491456 100644
--- a/Makefile
+++ b/Makefile
@@ -4,5 +4,8 @@ install: clean
 install_bundle: clean
 	python setup.py install --bundled
 
+get_amalgamation:
+	scripts/get_latest_amalgamation.sh amalgamation_latest
+
 clean:
 	rm -rf build dist
diff --git a/scripts/get_latest_amalgamation.sh b/scripts/get_latest_amalgamation.sh
new file mode 100755
index 0000000..05c128c
--- /dev/null
+++ b/scripts/get_latest_amalgamation.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+# author: drebs@leap.se
+
+# Get SQLCipher amalgamation files from latest tag from git repository.
+#
+# We want latest so we can build SQLCipher with JSON1 support:
+# https://www.sqlite.org/json1.html
+
+SQLCIPHER_REPO="https://github.com/sqlcipher/sqlcipher"
+
+if [ $# -ne 1 ]; then
+    echo "Usage: ${0} AMALGAMATION_ROOT"
+    exit 1
+fi
+
+TEMP_DIR=`mktemp -d`
+REPO_DIR="${TEMP_DIR}/sqlcipher"
+SCRIPT_DIR=`pwd`
+AMALGAMATION_ROOT=${1}
+AMALGAMATION_DIR="${SCRIPT_DIR}/${AMALGAMATION_ROOT}"
+
+# clone, checkout latest tag and build amalgamation
+git clone ${SQLCIPHER_REPO} ${REPO_DIR}
+(cd ${REPO_DIR} \
+  && git checkout `git tag | tail -n 1` \
+  && ./configure \
+  && make sqlite3.c)
+
+# make sure old files are wiped from amalgamation dir
+if [ -d ${AMALGAMATION_DIR} ]; then
+    rm -rf ${AMALGAMATION_DIR}/*
+else
+    mkdir -p ${AMALGAMATION_DIR}
+fi
+
+# copy amalgamation files
+cp ${REPO_DIR}/sqlite3.{c,h} ${AMALGAMATION_DIR}/
+
+# remove leftovers
+rm -rf ${TEMP_DIR}
-- 
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